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Mathematics 8 Online
OpenStudy (anonymous):

Which value of x satisfies both -9x + 4y = 8 and -3x − y = 4 A. -1/2 B.-7/9 C.-4/7 D.-9 E.-4/3 Which One I really need help

OpenStudy (help!!!!):

so if we have the value x, just plug in x to find out

OpenStudy (help!!!!):

Or you can use elimination to find out x

OpenStudy (anonymous):

whats the answer i really suck at math

OpenStudy (help!!!!):

I mean if I just gave you the answer, you're just going to ask the same question again

OpenStudy (anonymous):

How do i find the answer ?

OpenStudy (help!!!!):

I told you plug in the answer choices for x until you find out

OpenStudy (anonymous):

what do you get when you plug in -1/2 for x in both of the equations?

OpenStudy (anonymous):

idk ?

OpenStudy (help!!!!):

so "replace" -1/2 for x

OpenStudy (anonymous):

can u solve for y for both of the equations. like have the equation be "y =" something

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